Home / 215,485,359.90-323,228,044.13-51,723,116.48

Finding the Fourth Proportional to 215,485,359.90, 323,228,044.13 and 51,723,116.48

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Solution

The fourth proportional to 215,485,359.90, 323,228,044.13 and 51,723,116.48 is: 77,584,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,485,359.90 : 323,228,044.13 = 51,723,116.48 : x
  2. Step 2: Convert to fraction form
    215,485,359.90/323,228,044.13 = 51,723,116.48/x
  3. Step 3: Cross multiply
    215,485,359.90x = 323,228,044.13 × 51,723,116.48
  4. Step 4: Simplify right side
    215,485,359.90x = 16,718,361,774,263,814
  5. Step 5: Solve for x
    x = 16,718,361,774,263,814/215,485,359.90
  6. Step 6: Final answer
    x = 77,584,675.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.